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author	Matthew Dillon <dillon@apollo.backplane.com>
	Sat, 20 Jun 2009 21:49:12 +0000 (14:49 -0700)
committer	Matthew Dillon <dillon@apollo.backplane.com>
	Sat, 20 Jun 2009 21:49:12 +0000 (14:49 -0700)
commit	df2ccbac56a7e11715c25f2c1617dafb6db040b1
tree	439b6a3d74945a212db5c8ccfb0e4c0dd09ae085	tree \| snapshot
parent	fd8a0a5499f171aad5f8d1e8f46b5e5cf5b9dd18	commit \| diff

HAMMER VFS - Add hinting capability to block allocator, hint B-Tree

* A hammer_off_t can now be supplied to the blockmap allocator as a hint.

* Use the hinting mechanism to better-localize B-Tree node allocations
and meta-data updates.

Nuno's DragonFly repo.

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sys/vfs/hammer/hammer.h		diff \| blob \| blame \| history
sys/vfs/hammer/hammer_blockmap.c		diff \| blob \| blame \| history
sys/vfs/hammer/hammer_btree.c		diff \| blob \| blame \| history
sys/vfs/hammer/hammer_disk.h		diff \| blob \| blame \| history
sys/vfs/hammer/hammer_mirror.c		diff \| blob \| blame \| history
sys/vfs/hammer/hammer_object.c		diff \| blob \| blame \| history
sys/vfs/hammer/hammer_ondisk.c		diff \| blob \| blame \| history
sys/vfs/hammer/hammer_reblock.c		diff \| blob \| blame \| history